102438648 has 96 divisors (see below), whose sum is σ = 308053200. Its totient is φ = 31354560.

The previous prime is 102438641. The next prime is 102438649. The reversal of 102438648 is 846834201.

102438648 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 3 + 8 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102438641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 536233 + ... + 536423.

Almost surely, 2^102438648 is an apocalyptic number.

102438648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102438648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154026600).

102438648 is an abundant number, since it is smaller than the sum of its proper divisors (205614552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102438648 is a wasteful number, since it uses less digits than its factorization.

102438648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 102438648 is about 10121.1979528117. The cubic root of 102438648 is about 467.9016887512.

The spelling of 102438648 in words is "one hundred two million, four hundred thirty-eight thousand, six hundred forty-eight".